<TITLE>prob019: magic squares and sequences</TITLE>
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<H1>prob019: magic squares and sequences</H1>

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<TR> <TD> proposed by
     <TD ALIGN=LEFT> <A HREF="http://www.cs.york.ac.uk/~tw">
          <B>Toby Walsh</B></A> 
          <ADDRESS><a href="mailto:tw@cs.york.ac.uk">
          tw@cs.york.ac.uk</a></ADDRESS>
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<H3> Code </H3>
Various code is available online for finding magic
squares and other related problems:
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<LI>  some <A HREF="http://ps.uni-sb.de/~loeckelt/puzzles/square/index.html#msquare"> Oz code</A> for magic squares and sequences

<LI>  some <A HREF="http://www.uwinnipeg.ca/~jcormie/files.html"> C code</A> for magic and anti-magic squares
<LI>  a <A HREF="http://www.ff.iij4u.or.jp/~kanada/ccm/magic-square/index.html"> Java applet</A> for finding magic squares using a local search method

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